<template>
  <div id="app">
    <div id="nav">
      <router-link to="/childVue">Go ChildVue</router-link> |
      <router-link to="/">Go Self Home</router-link> | 
      <router-link to="/about">Go Self About</router-link>
    </div>
    <!-- 加载子应用的节点 -->
    <div id="ChildVue"></div>
    <router-view></router-view>
  </div>
</template>
